Romania
Manufacturer/ Producer
Electrotehno was founded in 2000, initially for commercial activities, and then were developed production activities so that today the company is known nationally as a reliable supplier of transformer electrical substation, equipped electrical metal containers and Low Voltage distribution boards and panels.The company has about 100 employees covering all productive sectors and office work required in achieving the goal.The company has a set of buildings located in Bacau housing the production facilities and offices as follows: · Workshop metal; · Mechanical assembly workshop; · Workshop paint and chemical processing; · Works JT electrical assembly workshop; · Workshop assembling containers and electric substations; · Storage Spaces materials, equipment and finished products; The main activities are: · Design for budgetary assessment and advice in choosing the optimal solutions for power supply· Design technology to achieve mechanical transformer carcasses, containers and switchboards· Achieving mechanical transformer carcasses metal or concrete containers carcasses and switchboards; · Procurement, verification, installation and erection of electrical equipment housings· Making FAT and batch tests· Packing, loading and shipment of the products; · Installation and commissioning SAT products in site through local partners; · Technical assistance SAT and commissioning;
Germany
The CSN® HECT, HEVT and HECT/VT by Schniewindt combines proven sensor technology and opticaldigital data transfer according to the standard IEC 6185092, creating a future orientated solution for applications in high voltage AC substations. The required values to be measured are recorded in analog signal form by conventional sensor elements (R/C high voltage divider for voltage measurement and Rogowski coil for current measurement) on HVline potential and transferred to the RemoteDataModule (RDM) mounted in the head construction of the instrument transformer. The RDM converts the recorded data into a digital serial protocol and transmits them via optical fiber to the Merging Unit (MU), located in the control room. The distance between instrument transformer and MU can be up to 1 km. The MU transfers the data protocol of three instrument transformers into the protocol according to IEC 6185092. For signal output
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The compact transformer substations provide connections between industrial or residential consumers and the medium voltage network. Electroalfa produces prefab transformation stations of the MT/JT type Alfa Power, in a varied range of types and sizes, in standard production, but also derived products, adapted to the required application.To meet the market’s demands we design compact transformer prefabricated substations with concrete or metal enclosures with standard ranges from 160kVA to 1600 kVA (upon request, up to 2500KVA) with indoor or outdoor access.
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Substations are transformer or distribution centers made of sheet steel in desired dimensions. They are suitable for use of all types of MV switchgears and LV panels. They are manufactured in the requirement number of sections and doors according to the project design. Strong construction made of sheet steel and profiles is painted with electrostatic powder paint or liquid paint for high corrosion resistance. In order to prevent the strong solar radiation in hot summer, the shell can be equipped with heat insulation material with low thermal conductivity, the most used fillers are: rock wool board, polystyrene foam, etc. Modular design in requested depth, width and length, in average 4 times lighter than a concrete version along with easy transport and commissioning are just some of the advantages of this solution. Compact substations are suitable for residential quarters, urban public utilities, renewable power plants, power distribution etc
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